WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

Note: Option positions (PUT/CALL) are excluded.

Q1 2018
Shares 13,873,662 Value ($000) $729,616 Avg Close — Range —
Q4 2017
Shares 12,161,475 Value ($000) $642,126 Avg Close — Range —
Q3 2017
Shares 8,565,667 Value ($000) $424,857 Avg Close — Range —
Q2 2017
Shares 4,453,761 Value ($000) $236,138 Avg Close — Range —
Q1 2017
Shares 58,794 Value ($000) $3,191 Avg Close — Range —
Q4 2016
Shares 56,887 Value ($000) $3,206 Avg Close — Range —
Q3 2016
Shares 60,966 Value ($000) $3,460 Avg Close — Range —
Q2 2016
Shares 60,966 Value ($000) $3,420 Avg Close — Range —
Q1 2016
Shares 63,043 Value ($000) $3,128 Avg Close — Range —
Q4 2015
Shares 57,143 Value ($000) $2,423 Avg Close — Range —
Q3 2015
Shares 56,850 Value ($000) $2,185 Avg Close — Range —
Q2 2015
Shares 53,850 Value ($000) $1,843 Avg Close — Range —
Q1 2015
Shares 53,850 Value ($000) $2,087 Avg Close — Range —
Q4 2014
Shares 44,950 Value ($000) $1,854 Avg Close — Range —
Q3 2014
Shares 44,950 Value ($000) $1,534 Avg Close — Range —
Q2 2014
Shares 47,050 Value ($000) $1,797 Avg Close — Range —
Q1 2014
Shares 39,050 Value ($000) $1,373 Avg Close — Range —
Q4 2013
Shares 44,150 Value ($000) $1,420 Avg Close — Range —
Q3 2013
Shares 50,150 Value ($000) $1,537 Avg Close — Range —
Q2 2013
Shares 51,750 Value ($000) $1,654 Avg Close — Range —